The R&D World Index (RDWI) for the week ending January 3, 2025, closed at 3,862.49 for the 25 companies in the RDWI — down –0.72% (or -28.10 basis points). Five RDWI members gained value last week, led by AbbVie (+1.80%), while Roche Holdings AG rose the least (+0.31%). Meanwhile, twenty RDWI members dipped, ranging from…